“What differences btw catalyst 4500 and 6500 series? Our company is looking to get a new switch for or core/OC. The switch being replaced is an Enterasys matrix, I don’t know which model, but is very old, and all servers…

Starting with the basics, the Cisco network is traditionally defined as a three-tier hierarchical model comprising the core, distribution, and access layers. Cisco both developed their system according to this model and recommend their end-users to follow the same philosophy.…

VLAN (Virtual Local Area Network) is a network industry standard configuration that creates a virtual network container for all devices connected to ports or wireless networks included in the VLAN. Regardless of the brand of network device implementing a VLAN,…

Cisco unveiled the Industrial Ethernet (IE) 2000 switch series, a cornerstone product for the company’s Connected Industries business unit and industrial network offerings. The IE 2000 series is an extension of Cisco’s current industrial Ethernet product lines, the Catalyst 2955 and the IE 3000…

If you want to configure Dynamic Host Configuration Protocol (DHCP) on PC clients, you currently have multiple options to choose for your DHCP server. One of the more common ways to accomplish this is by using a Windows or Linux…

Launch a serial command line terminal connection with the Cisco 3750, and then configure DHCP to manage a range of IP addresses for the network. The Cisco Catalyst 3750 switch can provide network DHCP services when a dedicated DHCP server is…

The Catalyst 6500 Supervisor 2T was first touted to resellers and customers in 2009 under NDA. Then suddenly in 2010 the chatter went quiet, and the Nexus 5000 arrived, soon followed by the Nexus 7000. Throughout the first part of…

Cisco expands technology portfolio for small businesses to enable customers to get the most out of mobility and cloud solutions. New product portfolio creates the right network to allow small businesses and their solution providers to boost productivity through the…

Power over Ethernet (PoE) is the ability for the LAN switching infrastructure to provide power over a copper Ethernet cable to an endpoint or powered device. This capability was developed and first delivered by Cisco in 2000 in order to…

Large and mid-size organizations or enterprises are entering another cycle of Local Area Network upgrades due to two recent technology changes. One is that 10Gb Ethernet are now standard connections on servers. The other is the widespread adoption of wireless…

A switch is a telecommunication device which receives a message from any device connected to it and then transmits the message only to that device for which the message was meant. It plays an integral part in most modern Ethernet…

The Cisco Catalyst 2960-S and 2960 Series are fixed-configuration access switches designed for enterprise, midmarket, and branch office networks to provide lower total cost of ownership. The Cisco Catalyst 2960 and 2960-S Series Switches are the leading Layer 2 edge, providing…

How to migrate from a Catalyst-based data center to a Nexus-based data center? Are you still confused with layer 2 and Layer 3? Maybe the following document written by Jeremy Filliben can help you become a network expert. Migrating from…

What do people thought about Juniper’s EX switches Vs. Cisco Catalysts switches? Someone may answer like these: “Well the Juniper switches are much cheaper, that’s for sure. I don’t understand this Cisco-only mentality that’s out there – why would I…

When an individual Company or Organization has locations that are separated by large geographical distances, it will be a matter of necessity to connect these individual locations so as to share, exchange and manager data or communication. To achieve this,…

Cisco has updated its switching portfolio with 100 Gigabit Ethernet (GE) and 40 GE capabilities, in a move aimed at datacentres and large campuses requiring heavy-duty bandwidth. A 40 GE option is available for the Catalyst 6500 switching line and both…

How to change and recovery the password cisco router? I forget my cisco router password, i want to change it or recovery it, and so how… Cisco devices, such as Cisco routers, or Cisco switches, connect computers together as local…

This video offers a comprehensive look at Quality of Service configuration on Cisco Catalyst 3560 and 3750 Series switches. It’s a free training video that details the theory and configuration of quality of service (QoS) on Cisco Catalyst 3560 and…

By default the Cisco Catalyst 2950 is not configured for remote administration. Basic configuration to enable remote administration on the Cisco Catalyst 2950 includes configuring an IP address on the switch and also enabling telnet access. Once these configurations are…

Dynamic Host Configuration Protocol (DHCP) is a protocol for assigning dynamic IP addresses to hosts on a local network. DHCP also delivers TCP/IP configuration parameters such as the subnet mask and the default router. DHCP simplifies network administration because the…

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